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Poster: Lum Edwards Date: Jul 27, 2006 3:46pm
Forum: oldtimeradio Subject: Re: Question for radio researchers: Digital Preservation Issues?

Hiya Miss Diana, So this flac you speak of, Is there a Flac for dummies guide? Do you really think it could help Old Mono recordings. The wav file is the big step where all the sound cleanup happens. I should really explore this. I played with shortin < is that how it is spelled?> years ago and was not impressed with the end product. How well does it compress. How do you play it. Is there a portable Flac player? We OTR folk really mistrust change but I am willing to read up about it and maybe give it a try. Lum

p.s. I am really impressed with the GD archive. I never thought of myself as a Deadhead but I admit I have streamed many shows and I love the range of songs and genres they play. Hooray for the Archive it putting them on the web and to you for moderating such a group. Those people who complain that the SBD files are gone should think of how it would be if they had vanished instead of just becoming Stream only files.

This post was modified by Lum Edwards on 2006-07-27 22:39:06

This post was modified by Lum Edwards on 2006-07-27 22:46:26

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Poster: Diana Hamilton Date: Jul 28, 2006 8:29am
Forum: oldtimeradio Subject: Re: Question for radio researchers: Digital Preservation Issues?

Well, I admit there's kind of a learning curve for this stuff! Here are typical instructions we point live traders to for instance:
http://wiki.etree.org/index.php?page=SeedingGuidelines
http://wiki.etree.org/index.php?page=NamingStandards

There are some IA docs in the works but they are not completed yet.

The basic idea is once you get the material in wav format (same as you would do prior to the mp3 step), you just use a flac compression tool instead of going to mp3. A couple handy examples are
http://mikewren.com/flac which has an installer for FLAC including the "FLAC frontend" GUI; and Trader's Little Helper GUI, http://thor.prohosting.com/roh0205/
dbpoweramp will work too I believe (as well as being to make mp3s from there if you want)

You may see references to checksumming and fingerprinting (recording the internal checksum of the wav info inside the flac file). This turns out to be particularly handy for figuring out which version you have out of several circulating versions of the material. That way someone can't just say they *think* their copy came from some particular quality-vetting group for instance, they can *demonstrate* that. In live music circulation we're anal enough to keep track of the filesets' fingerprints and associated info files, see http://db.etree.org/shncirc (I used to keep track on a simpler webpage, before it all got too big).

BTW you can treat the flac copy as your archival backup- burn it to a data disc, upload it to archive.org etc, but if your OTR colleagues/trading partners are still more comfortable with mp3, you still have the option send them smaller lossy copies (from flac> mp3 or flac> wav> mp3). The important thing is you have the good full-quality copy you can go back to- and eventually you can send your friends the flacs when they get used to those.

PS- There is *so* much to the Dead's music you could spend a lifetime just exploring that! Miraculous how much we have available here in The Future. :)

This post was modified by Diana Hamilton on 2006-07-28 15:29:40